/* NeuroBeat: quiet layout, one memorable moment (the signal line in the hero) */
:root {
  --navy: #0b2233;
  --blue: #64cce5;
  --blue-dark: #2181b2;
  --soft: #f3f8fb;
  --line: #dde7ee;
  --text: #14202b;
  --text-muted: #4d5a68;
  --font-body: "Montserrat", system-ui, sans-serif;
  --max-width: 1100px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font-body); color: var(--text); background: #fff; line-height: 1.65; }
img { max-width: 100%; display: block; }
h1, h2, h3, p { margin-top: 0; }
a:focus-visible { outline: 3px solid var(--blue-dark); outline-offset: 2px; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 1.25rem; }
section { padding: 5rem 0; }
section, #contact { scroll-margin-top: 1.5rem; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* Header: translucent white banner on top of the hero; it is not sticky, so it scrolls away with the page */
.site-header { position: absolute; top: 0; left: 0; width: 100%; z-index: 10; background: rgba(255,255,255,.75); }   /* .75 = opacity; lower it for more see-through */
.header-inner { display: flex; justify-content: space-between; align-items: center; max-width: none; padding: 1.1rem 2rem; }
.logo img { height: 5rem; width: auto; }
.nav-links { display: flex; align-items: center; gap: .5rem; list-style: none; margin: 0; padding: 0; }
.nav-links a { display: block; padding: .6rem 1.1rem; background: var(--navy); color: #fff; text-decoration: none; font-size: .9rem; font-weight: 700; border-radius: .4rem; transition: background .2s; }
.nav-links a:hover { background: var(--blue-dark); }

/* Buttons */
.button { display: inline-block; padding: .8rem 1.6rem; border-radius: .4rem; font-weight: 700; text-decoration: none; transition: background .2s, color .2s; }
.hero .button { background: var(--blue); color: var(--navy); }
.hero .button:hover { background: #fff; }
.hero .button-secondary { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.5); }
.hero .button-secondary:hover { background: rgba(255,255,255,.12); color: #fff; }

/* Hero: the signal line turns into a sound wave */
.hero { position: relative; overflow: hidden; background: var(--navy); color: #fff; padding: 12.5rem 0 9rem; }
.hero .container { position: relative; z-index: 1; }
.hero h1 { font-size: clamp(2.25rem, 5.5vw, 4rem); font-weight: 800; line-height: 1.08; letter-spacing: -.02em; max-width: 14em; margin-bottom: 1.5rem; }
.hero .lead { font-size: 1.2rem; max-width: 38rem; color: rgba(255,255,255,.85); margin-bottom: 2.25rem; }
.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }
.wave { position: absolute; left: 0; bottom: 1.5rem; width: 100%; height: 110px; }

/* Section headings */
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); font-weight: 800; line-height: 1.2; letter-spacing: -.01em; margin-bottom: 2.5rem; }
h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: .5rem; }

/* Problem */
.problem { background: var(--soft); }
.problem h2 { max-width: 20em; margin-bottom: 1.25rem; }
.problem p { font-size: 1.15rem; max-width: 44rem; color: var(--text-muted); margin: 0; }

/* Grids without boxes: rules and spacing do the structuring */
.steps, .benefit-grid, .team-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 2.5rem; }
.steps { list-style: none; padding: 0; margin: 0; counter-reset: step; }
.steps li { border-top: 3px solid var(--blue); padding-top: 1.25rem; }
.steps li::before { counter-increment: step; content: counter(step); display: inline-flex; align-items: center; justify-content: center; width: 2.25rem; height: 2.25rem; margin-bottom: 1rem; border-radius: 50%; background: var(--navy); color: #fff; font-weight: 700; }
.benefits { background: var(--soft); }
.benefit { border-left: 3px solid var(--blue-dark); padding-left: 1.25rem; }
.member { border-top: 1px solid var(--line); padding-top: 1rem; }
.steps li p, .benefit p, .member p { color: var(--text-muted); margin-bottom: 0; }

/* Status */
.status { background: var(--navy); color: #fff; }
.status h2 { margin-bottom: 1.25rem; }
.status p { font-size: 1.15rem; max-width: 44rem; color: rgba(255,255,255,.85); margin: 0; }

/* Footer / contact */
.site-footer { background: var(--navy); color: #fff; border-top: 1px solid rgba(255,255,255,.15); padding: 4.5rem 0; }
.contact h2 { margin-bottom: 1rem; }
.contact p { max-width: 40rem; color: rgba(255,255,255,.85); margin-bottom: 2rem; }
.contact-list { display: grid; grid-template-columns: max-content 1fr; column-gap: 3rem; row-gap: .75rem; margin: 0; }
.contact-list dt { font-weight: 700; color: var(--blue); }
.contact-list dd { margin: 0; }
.contact-list a { color: #fff; text-decoration: none; border-bottom: 1px solid rgba(255,255,255,.4); }
.contact-list a:hover { border-bottom-color: var(--blue); }
.copyright { display: none; }

@media (max-width: 700px) {
  .nav-links li:not(:last-child) { display: none; }
  .header-inner { padding: .75rem 1rem; }
  .logo img { height: 4.75rem; }
  section { padding: 3.5rem 0; }
  .hero { padding: 8.5rem 0 7rem; }
  .wave { height: 70px; }
}